Use electrical contact cleaner on the sensor components to remove dust or debris. Step 3: Inspect Wiring
: The first step is often to switch the truck off and back on. This may clear temporary signal glitches. Moisture Removal
: If the hardware is intact, a "teach-in" or calibration procedure may be required to reset the sensor's travel stop and neutral points. Wiring and Connections jungheinrich eje 120 error code 4372 work
Follow this systematic checklist to clear error 4372 and return your machine to active service.
This comprehensive troubleshooting guide explains why this fault triggers, how it affects your operation, and how to get your equipment back to work. Technical Cause of Error Code 4372 Use electrical contact cleaner on the sensor components
Replacing the internal tiller control PCB or whole handle unit.
Inspect wire connections within the tiller head for signs of wear or breakage. Moisture Removal : If the hardware is intact,
Under the plastic cover at the lower mast, Marta finds the 3-pin connector (power, ground, signal). One pin is corroded – green oxidation. She cleans it with contact spray and reconnects. Restart – same error.
If the error occurs intermittently, your truck likely requires a software optimization. Jungheinrich published an official engineering notice addressing this issue: